How to turn O_RDWR opened file to O_RDONLY in vfs-module?
stephane.purnelle at corman.be
Mon Jan 6 08:46:11 MST 2014
see this link,maybe you will have answer about your request :
Stéphane PURNELLE Admin. Systèmes et Réseaux
Service Informatique Corman S.A. Tel : 00 32 (0)87/342467
samba-technical-bounces at lists.samba.org wrote on 06/01/2014 16:03:14:
> De : Jiri Sasek <jiri.sasek at oracle.com>
> A : samba tech <samba-technical at lists.samba.org>,
> Date : 06/01/2014 16:37
> Objet : How to turn O_RDWR opened file to O_RDONLY in vfs-module?
> Envoyé par : samba-technical-bounces at lists.samba.org
> Hi all,
> My primary interest is to create a VFS module to emulate WORM (Write
> Once Read Many) on Samba share. My idea is to set the O_RDONLY on
> already existing files. Put it into <worm>_open() VFS-call so in case if
> the "(int) flags" (4-th parameter) is set to O_RDWR then set the file as
> read-only and leave the job on the local filesystem which will disallow
> the further write() ops.
> Is here anyone who knows the Samba internals and can point me to
> appropriate struct/call?
> Many thanks in advance,
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